KR910009105B1 - 광학기록 매체용 카바 어셈블리 - Google Patents

광학기록 매체용 카바 어셈블리 Download PDF

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Publication number
KR910009105B1
KR910009105B1 KR1019840001293A KR840001293A KR910009105B1 KR 910009105 B1 KR910009105 B1 KR 910009105B1 KR 1019840001293 A KR1019840001293 A KR 1019840001293A KR 840001293 A KR840001293 A KR 840001293A KR 910009105 B1 KR910009105 B1 KR 910009105B1
Authority
KR
South Korea
Prior art keywords
substrate
cover
cover assembly
optical recording
outer periphery
Prior art date
Application number
KR1019840001293A
Other languages
English (en)
Korean (ko)
Other versions
KR840008877A (ko
Inventor
휴 데이비스 데이비드
유겐 에바닉키 데닐
Original Assignee
미네소타 마이닝 앤드 매뉴 팩츄어링 컴패니
도날드 밀러 샐
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 미네소타 마이닝 앤드 매뉴 팩츄어링 컴패니, 도날드 밀러 샐 filed Critical 미네소타 마이닝 앤드 매뉴 팩츄어링 컴패니
Publication of KR840008877A publication Critical patent/KR840008877A/ko
Application granted granted Critical
Publication of KR910009105B1 publication Critical patent/KR910009105B1/ko

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/24097—Structures for detection, control, recording operation or replay operation; Special shapes or structures for centering or eccentricity prevention; Arrangements for testing, inspecting or evaluating; Containers, cartridges or cassettes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/254—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of protective topcoat layers

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
KR1019840001293A 1983-03-14 1984-03-14 광학기록 매체용 카바 어셈블리 KR910009105B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US474877 1983-03-14
US06/474,877 US4499477A (en) 1983-03-14 1983-03-14 Cover assembly for optical recording medium

Publications (2)

Publication Number Publication Date
KR840008877A KR840008877A (ko) 1984-12-19
KR910009105B1 true KR910009105B1 (ko) 1991-10-28

Family

ID=23885304

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840001293A KR910009105B1 (ko) 1983-03-14 1984-03-14 광학기록 매체용 카바 어셈블리

Country Status (10)

Country Link
US (1) US4499477A (pt)
EP (1) EP0119809B1 (pt)
JP (1) JPS59177745A (pt)
KR (1) KR910009105B1 (pt)
AU (1) AU563240B2 (pt)
BR (1) BR8401134A (pt)
CA (1) CA1219507A (pt)
DE (1) DE3469621D1 (pt)
HK (1) HK3589A (pt)
SG (1) SG65288G (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5987636A (ja) * 1982-11-10 1984-05-21 Toshiba Corp 情報記憶媒体
JPS61165842A (ja) * 1985-01-16 1986-07-26 Fuji Photo Film Co Ltd 光情報記録媒体
US4669076A (en) * 1985-10-30 1987-05-26 International Business Machines Corporation Optical disk drive apparatus with means for accurate disk positioning
US4726007A (en) * 1986-07-03 1988-02-16 Mccormack Steven A Compact disc damper and method
JPS6443830A (en) * 1987-08-11 1989-02-16 Mitsui Petrochemical Ind Production of substrate for information recording
US5002622A (en) * 1989-02-27 1991-03-26 Del Mar Avionics Glass based optical disc manufacturing process
US20080198456A1 (en) * 1998-07-31 2008-08-21 Colorlink, Inc. Laminated retarder stack
KR100699632B1 (ko) * 2000-01-22 2007-03-23 엘지전자 주식회사 광기록 매체 및 그 제조방법
GB2389698A (en) * 2002-06-11 2003-12-17 Richard Auty Compact disk with scratch protection
RU2011113686A (ru) * 2008-09-12 2012-10-20 Брайем Янг Юниверсити (Us) Пленка, содержащая внедренный насыщенный кислородом газ, и способ ее получения
CN102171759B (zh) * 2008-09-12 2017-01-18 布莱阿姆青年大学 包含碳及金属层的数据存储媒介

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2271617B1 (pt) * 1974-05-15 1976-10-15 Thomson Brandt
US4074282A (en) * 1976-05-13 1978-02-14 North American Philips Corporation Radiation-sensitive record with protected sensitive surface
JPS54139702A (en) * 1978-04-21 1979-10-30 Victor Co Of Japan Ltd Information recoeding medium and production of the same
FR2437668A1 (fr) * 1978-09-29 1980-04-25 Thomson Csf Disque optique protege
US4313190A (en) * 1979-01-15 1982-01-26 Discovision Associates Method for making a composite video disc
JPS5750336A (en) * 1980-09-05 1982-03-24 Matsushita Electric Ind Co Ltd Information recording carrier
US4331966A (en) * 1980-10-06 1982-05-25 Storage Technology Corporation Information storage device and method of forming same
DE3170951D1 (en) * 1980-11-03 1985-07-18 Philips Corp Optical disc cartridge
US4365257A (en) * 1981-03-05 1982-12-21 Minnesota Mining And Manufacturing Company Stretched-film optical recording disc
JPS58130451A (ja) * 1982-01-29 1983-08-03 Toshiba Corp 情報記憶媒体
FR2524187A1 (fr) * 1982-03-23 1983-09-30 Thomson Csf Disque optique protege de l'humidite

Also Published As

Publication number Publication date
BR8401134A (pt) 1984-10-23
KR840008877A (ko) 1984-12-19
EP0119809B1 (en) 1988-03-02
AU563240B2 (en) 1987-07-02
CA1219507A (en) 1987-03-24
SG65288G (en) 1989-06-16
JPS59177745A (ja) 1984-10-08
DE3469621D1 (en) 1988-04-07
US4499477A (en) 1985-02-12
EP0119809A1 (en) 1984-09-26
AU2555784A (en) 1984-09-20
HK3589A (en) 1989-01-20

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A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
NORF Unpaid initial registration fee